WO2015058508A1

WO2015058508A1 - Control method based on bluetooth communication technology, controlled device and controlling device

Info

Publication number: WO2015058508A1
Application number: PCT/CN2014/076711
Authority: WO
Inventors: 卫强
Original assignee: 深圳市镭润科技有限公司; 卫强
Priority date: 2013-10-25
Filing date: 2014-05-04
Publication date: 2015-04-30
Also published as: CN103533716A

Abstract

Disclosed are a control method based on bluetooth communication technology, controlled device and controlling device. A bluetooth audio signal connection is established between a controlling device and a controlled device; the controlled device, based on the established bluetooth audio signal connection, receives an analogue audio signal transmitted by the controlling device, and converts the received analogue audio signal into a control signal; and the controlled device responds to the control signal to perform an operation corresponding to the control signal. The present invention effectively solves the technical problem that an intelligent device manufacturer has strict authentication and design requirements on a peripheral product establishing bluetooth data communication with the product of the intelligent device manufacturer, eliminating the limitation on a control solution based on bluetooth wireless communication technology due to different manufacturers, improving compatibility between bluetooth products, and greatly expanding the application of control solutions based on bluetooth wireless communication technology.

Description

Control method, controlled device and control device based on Bluetooth communication technology

Technical field

The invention relates to a Bluetooth control technology, in particular to a control method, a controlled device and a control device based on a Bluetooth communication technology.

Background technique

With the increasing popularity of smart devices such as smartphones and tablets, wireless control of controlled devices (eg, LED lights) through smart devices (eg, smart phones) has become a trend.

As we all know, WIFI wireless communication technology and Bluetooth wireless communication technology are two common short-range wireless communication technologies, which are often used in short-range wireless control schemes between devices. In the control scheme based on WIFI wireless communication technology, WIFI is an open protocol, so the control device adopts a WIFI connection method to realize wireless control of the controlled device. The WIFI connection method usually uses the controlled device as a wireless access point, or allows the controlled device to join the wireless local area network where the control device is located to establish a communication link, thereby implementing the wireless control function of the controlled device, however, since the WIFI is supported. The hardware cost of the wireless communication device is high, the circuit design is usually complicated, the power consumption is also high, and the device needs to be complicated to set up when connecting, and the difficulty of use is also increased. Bluetooth wireless communication includes Bluetooth data communication and Bluetooth audio signal communication. Currently, there is only a control scheme based on Bluetooth data communication technology. In this solution, although the use cost of Bluetooth data communication technology is relatively low, the power consumption is relatively low, and the circuit The design is also simpler than WIFI communication technology, but some smart device manufacturers (for example, Apple) have strict certification and design requirements for peripheral products that establish Bluetooth data communication with their products, thus greatly limiting the control scheme based on Bluetooth wireless communication technology. Applications.

Summary of the invention

The main object of the present invention is to provide a control method, a controlled device and a control device based on the Bluetooth communication technology, which effectively solve the technical problem that the smart device manufacturer has strict certification and design requirements for the peripheral products for establishing Bluetooth data communication with the product. The control scheme based on the Bluetooth wireless communication technology is no longer limited by the manufacturer, and the compatibility between the Bluetooth products is improved, and the application of the control scheme based on the Bluetooth wireless communication technology is greatly expanded.

The invention provides a control method based on Bluetooth communication technology, and the method comprises:

A. The controlled device establishes a Bluetooth audio signal connection with the control device;

B. The controlled device is connected based on the established Bluetooth audio signal, receives an analog audio signal sent by the control device, and converts the received analog audio signal into a control signal;

C. The controlled device responds to the control signal to perform an operation corresponding to the control signal.

Preferably, the step B comprises:

B1. The controlled device is connected according to the established Bluetooth audio signal, and receives an analog audio signal sent by the control device.

B2. The controlled device converts the received analog audio signal into a digital audio signal, and generates a corresponding control signal according to the converted digital audio signal.

Preferably, the step B2 comprises:

B21. The controlled device converts the received analog audio signal into a digital audio signal.

B22. The controlled device determines a control signal corresponding to the received analog audio signal according to the mapping relationship between the pre-stored analog audio signal and the control signal, and according to the converted digital audio signal.

Preferably, before the step A, the method further includes:

D. Determine whether the controlled device can establish a Bluetooth data communication connection with the control device.

Preferably, after the step D, the method further comprises:

E. When the controlled device can establish a Bluetooth data communication connection with the control device, the controlled device receives a digital control signal sent by the control device, and responds to the digital control signal to perform an operation corresponding to the digital control signal.

Preferably, the control device is an LED light controller, and the controlled device is an LED light.

The invention also provides a controlled device, which comprises a Bluetooth audio module, a processing module and an execution module, which are electrically connected in sequence, wherein:

The Bluetooth audio module is configured to establish a Bluetooth audio signal connection with the control device, and receive an analog audio signal sent by the control device;

The processing module is configured to convert the received analog audio signal into a control signal;

The execution module is configured to respond to the control signal to perform an operation corresponding to the control signal.

Preferably, the processing module includes a demodulation circuit and a processor electrically connected to the demodulation circuit;

The demodulation circuit is configured to convert the received analog audio signal into a digital audio signal;

The processor is configured to identify a control signal from a digital audio signal.

Preferably, the controlled device is an LED light.

The invention also provides a control device, comprising: a signal generating module and a Bluetooth audio module, wherein the signal generating module is electrically connected to the Bluetooth audio module,

The signal generating module is configured to generate an analog audio signal in a preset format;

The Bluetooth audio module is configured to establish a Bluetooth audio signal connection with the controlled device, and send the analog audio signal generated by the signal generating module to the controlled device based on the established Bluetooth audio signal connection.

Preferably, the control device is an LED light controller.

Compared with the prior art, the present invention establishes a Bluetooth audio signal connection between the control device and the controlled device, and the controlled device receives the analog audio signal sent by the control device based on the established Bluetooth audio signal connection, and receives the received The analog audio signal is converted into a control signal; the controlled device is responsive to the control signal to perform an operation corresponding to the control signal. Effectively solve the technical problems that smart equipment manufacturers have strict certification and design requirements for peripheral products that establish Bluetooth data communication with their products, so that the control scheme based on Bluetooth wireless communication technology is no longer limited by manufacturers, and the Bluetooth products are improved. The compatibility greatly expands the application of control schemes based on Bluetooth wireless communication technology.

DRAWINGS

1 is a schematic flow chart of a first embodiment of a control method based on a Bluetooth communication technology according to the present invention;

2 is a schematic diagram of an embodiment of an analog audio signal sent by a control device to a controlled device according to the present invention;

3 is a schematic flowchart of a second embodiment of a control method based on a Bluetooth communication technology according to the present invention;

4 is a specific structural diagram of a first embodiment of a controlled device according to the present invention;

FIG. 5 is a specific structural diagram of a second embodiment of a controlled device according to the present invention; FIG.

FIG. 6 is a specific structural diagram of a preferred embodiment of a control device according to the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

FIG. 1 is a schematic flowchart diagram of a first embodiment of a control method based on a Bluetooth communication technology according to the present invention.

It should be emphasized that the flowchart shown in FIG. 1 is only a preferred embodiment, and those skilled in the art will understand that any embodiment constructed around the inventive concept should not be separated from the scope of the following technical solutions:

A. The controlled device establishes a Bluetooth audio signal connection with the control device; B. The controlled device connects based on the established Bluetooth audio signal, receives the analog audio signal sent by the control device, and converts the received analog audio signal into a control signal; And the controlled device responds to the control signal to perform an operation corresponding to the control signal.

The following is a specific step of gradually implementing the control based on the Bluetooth communication technology in this embodiment:

In step S11, the controlled device establishes a Bluetooth audio signal connection with the control device.

Specifically, in this embodiment, the controlled device is preferably an LED light, and the controlled device may also be any other suitable device having a Bluetooth audio signal transmission function; the control device is preferably an LED light controller. It can also be any other device with Bluetooth audio signal transmission function such as Apple mobile phone, IPad or Apple computer. The controlled device establishes a Bluetooth audio signal connection with the control device, that is, after the Bluetooth audio signal connection is established, the audio signal can be transmitted between the control device and the controlled device. In another embodiment of the present invention, before step S11, it may be determined whether the controlled device can establish a Bluetooth data communication connection with the control device, and when the controlled device can establish a Bluetooth data communication connection with the control device, the controlled device receives Controlling, by the digital control signal sent by the device, in response to the digital control signal to perform an operation corresponding to the digital control signal, that is, after the Bluetooth data connection is established, the digital signal can be transmitted between the control device and the controlled device . In order to enable the controlled device to directly respond to the digital control signal sent by the control device to perform the operation corresponding to the digital control signal, the control of the controlled device can be realized more quickly.

Step S12, the controlled device connects based on the established Bluetooth audio signal, receives an analog audio signal sent by the control device, and converts the received analog audio signal into a control signal;

Step S13, the controlled device responds to the control signal to perform an operation corresponding to the control signal.

Specifically, the control device generates an analog audio signal in a preset format, and the modulation mode of the analog audio signal may be a combination of different amplitude levels and different frequency signals, or may be a simple high and low binary modulation mode. If the control device needs to send a simple command or low-traffic data to the controlled device, a simple binary modulation method can be adopted; if a higher-rate audio signal transmission is required, the modulation method of amplitude, frequency or phase is adopted. In this embodiment, the control device and the controlled device mainly adopt a simple high-low binary modulation mode to implement control of the controlled device based on the Bluetooth technology. For example, referring to FIG. 2, the smart device emits an audio signal combination having amplitudes a+ and a-, a+ is t1, and a-time is t1 or t2, where a+ and a-amplitude are both t1. The pulse represents a binary 0, the a+ time value is t1, and the a-time value t2 pulse represents a binary one; based on this method, a set of analog audio signals representing a binary 0, 1 combination can be issued. The preset format is configured according to service requirements, that is, a simple high and low binary modulation format, or a modulation format of amplitude, frequency, or phase. The controlled device takes an LED lamp as an example, and the analog audio signal may include an audio signal that controls the color change of the LED light or an audio signal that controls the LED light on or off, such as an audio signal that controls the LED light to be turned on or off.

The controlled device connects based on the established Bluetooth audio signal, receives the analog audio signal sent by the control device, and converts the received analog audio signal into a control signal. The controlled device prestores a mapping relationship between the analog audio signal and the control signal, and when receiving the analog audio signal sent by the control device based on the Bluetooth audio signal connection, determines the received relationship according to the mapping relationship between the pre-stored analog audio signal and the control signal. The analog audio signal corresponds to a control signal, and the controlled device responds to the control signal to perform an operation corresponding to the control signal. For example, determining that the control signal is to control the LED light to turn on, the LED light responds to the turn-on signal and turns on the light emitting unit to cause the LED light to illuminate. The specific implementation process control device takes the LED light controller as an example, and the controlled device takes the LED light as an example. The LED light controller and the LED light are all provided with a Bluetooth audio module, and the LED light controller and the LED light are connected through the Bluetooth audio signal. The LED light controller generates an analog audio signal for the color change of the LED light, and the LED light is connected to receive the analog audio signal sent by the LED light controller based on the Bluetooth audio signal, and converts the received analog audio signal into a control signal of the color change of the LED light. The light emitting unit of the LED lamp corresponding to the control signal adjusts the color of the LED lamp to a color corresponding to the control signal in response to the control signal. The control device can perform Bluetooth audio signal connection with different controlled devices at different times to realize control of multiple controlled devices.

In this embodiment, by establishing a Bluetooth audio signal connection between the control device and the controlled device, the controlled device connects the analog audio signal sent by the control device based on the established Bluetooth audio signal, and converts the received analog audio signal into a control signal. The controlled device responds to the control signal to perform an operation corresponding to the control signal. Effectively solve the technical problems that smart equipment manufacturers have strict certification and design requirements for peripheral products that establish Bluetooth data communication with their products, so that the control scheme based on Bluetooth wireless communication technology is no longer limited by manufacturers, and the Bluetooth products are improved. The compatibility greatly expands the application of control schemes based on Bluetooth wireless communication technology.

FIG. 3 is a schematic flowchart diagram of a second embodiment of a control method based on Bluetooth communication technology according to the present invention.

Based on the first embodiment described above, step S12 includes:

Step S14, the controlled device connects based on the established Bluetooth audio signal, and receives an analog audio signal sent by the control device;

Step S15, converting the received analog audio signal into a digital audio signal, and generating a corresponding control signal according to the converted digital audio signal.

Specifically, the controlled device prestores a mapping relationship between the digital audio signal and the control signal, and the controlled device connects based on the established Bluetooth audio signal, receives the analog audio signal sent by the control device, and converts the received analog audio signal into a digital audio signal. And controlling, by the controlled device, a control signal corresponding to the received analog audio signal according to a mapping relationship between the pre-stored digital audio signal and the control signal, and the controlled device responds to the determined control signal to perform an operation corresponding to the determined control signal. For example, determining that the control signal is to control the LED light to turn on, the LED light responds to the turn-on signal and turns on the light emitting unit to cause the LED light to illuminate. The control device can further convert the received analog audio signal into a digital audio signal according to the mapping relationship between the digital audio signal and the control signal when the controlled device cannot determine the control signal according to the mapping relationship between the pre-stored analog audio signal and the control signal. The corresponding control signal is determined to implement the control operation of the controlled device on the controlled device.

As shown in FIG. 4, the specific architecture diagram of the first embodiment of the controlled device of the present invention is as follows:

The controlled device includes: a Bluetooth audio module 10 electrically connected in sequence, a processing module 20 and an execution module 30, wherein:

The Bluetooth audio module 10 is configured to establish a Bluetooth audio signal connection with the control device, and receive an analog audio signal sent by the control device;

The processing module 20 is configured to convert the received analog audio signal into a control signal;

The executing module 30 is configured to respond to the control signal to perform an operation corresponding to the control signal.

Specifically, in this embodiment, the controlled device is preferably an LED light, and the controlled device may also be any other suitable device having a Bluetooth audio signal transmission function; the control device is preferably an Apple mobile phone, It can also be any other suitable device with Bluetooth audio signal transmission. The Bluetooth audio module 10 establishes a Bluetooth audio signal connection with the control device, that is, after the Bluetooth audio signal connection is established, the audio signal can be transmitted between the control device and the controlled device. And based on the established Bluetooth audio signal connection, the Bluetooth audio module 10 receives the analog audio signal sent by the control device, and the processing module 20 converts the received analog audio signal into a control signal. The controlled device prestores a mapping relationship between the analog audio signal and the control signal. When the Bluetooth audio module 10 receives the analog audio signal sent by the control device based on the Bluetooth audio signal connection, the processing module 20 performs the pre-stored analog audio signal and the control signal. The mapping relationship determines a control signal corresponding to the received analog audio signal, and the execution module 30 responds to the control signal to perform an operation corresponding to the control signal. For example, determining that the control signal is to control the LED light to turn on, the LED light responds to the turn-on signal and turns on the light emitting unit to cause the LED light to illuminate.

In this embodiment, a Bluetooth audio signal connection with the controlled device is established through the Bluetooth audio module 10, and an analog audio signal sent by the control device is connected based on the established Bluetooth audio signal, and the received analog audio signal is received by the processing module 20. Converted into a control signal; the execution module 30 is responsive to the control signal to perform an operation corresponding to the control signal. Effectively solve the technical problems that smart equipment manufacturers have strict certification and design requirements for peripheral products that establish Bluetooth data communication with their products, so that the control scheme based on Bluetooth wireless communication technology is no longer limited by manufacturers, and the Bluetooth products are improved. The compatibility greatly expands the application of control schemes based on Bluetooth wireless communication technology.

As shown in FIG. 5, the specific architecture diagram of the second embodiment of the controlled device of the present invention is as follows:

The processing module 20 includes a demodulation circuit 201 and a processor 202,

The demodulation circuit 201 is configured to convert the received analog audio signal into a digital audio signal;

The processor 202 is configured to identify a control signal from a digital audio signal.

Specifically, the controlled device prestores a mapping relationship between the digital audio signal and the control signal, and the Bluetooth audio module 10 is connected based on the established Bluetooth audio signal, and receives the analog audio signal sent by the control device, and the demodulation circuit 201 receives the received analog audio signal. Converted into a digital audio signal, the processor 202 determines a control signal corresponding to the received analog audio signal according to a mapping relationship between the pre-stored digital audio signal and the control signal, and the execution module 30 responds to the determined control signal to perform the determined control signal. Corresponding operation. For example, determining that the control signal is to control the LED light to turn on, the LED light responds to the turn-on signal and turns on the light emitting unit to cause the LED light to illuminate. The control device can further convert the received analog audio signal into a digital audio signal according to the mapping relationship between the digital audio signal and the control signal when the controlled device cannot determine the control signal according to the mapping relationship between the pre-stored analog audio signal and the control signal. Determining the corresponding control signal, realizing the control operation of the control device based on the Bluetooth audio signal to the controlled device, so that the control scheme based on the Bluetooth wireless communication technology is no longer limited by the manufacturer, and the compatibility between the Bluetooth products is greatly improved. The application of a control scheme based on Bluetooth wireless communication technology is extended.

As shown in FIG. 6, a specific structural diagram of a preferred embodiment of the control device of the present invention is as follows:

The control device includes:

a signal generating module 40, configured to generate an analog audio signal in a preset format;

The Bluetooth audio module 50 is configured to establish a Bluetooth audio signal connection with the controlled device, and send the analog audio signal generated by the signal generating module to the controlled device based on the established Bluetooth audio signal connection.

Specifically, the control device is an LED light controller, and may also be any applicable device with Bluetooth audio signal transmission function such as an Apple mobile phone, an IPad or an Apple computer. The signal generating module 40 generates an analog audio signal in a preset format, and the modulation mode of the analog audio signal may be a combination of different amplitude levels and different frequency signals, or may be a simple high and low binary modulation mode. If the control device needs to send a simple command or low-traffic data to the controlled device, a simple binary modulation method can be adopted; if a higher-rate audio signal transmission is required, the modulation method of amplitude, frequency or phase is adopted. In this embodiment, the control device and the controlled device mainly adopt a simple high-low binary modulation mode to implement control of the controlled device based on the Bluetooth technology. For example, referring to FIG. 2, the Bluetooth audio module 50 emits an audio signal combination having amplitudes a+ and a-, a+ is t1, and a-time is t1 or t2, where a+ and a-amplitude values are The pulse of t1 represents a binary 0, the a+ time value is t1, and the a-time value t2 pulse represents a binary one; based on this method, a set of analog audio signals representing a binary 0, 1 combination can be issued. The preset format is configured according to service requirements, that is, a simple high and low binary modulation format, or a modulation format of amplitude, frequency, or phase. The controlled device takes an LED lamp as an example, and the analog audio signal may include an audio signal that controls the color change of the LED light or an audio signal that controls the LED light on or off, such as an audio signal that controls the LED light to be turned on or off.

The analog audio signal is generated by the signal generating module 40, and the analog audio signal is sent to the controlled device through the Bluetooth audio module 50, so that the control device controls the controlled device based on the Bluetooth audio signal connection, so that the control scheme based on the Bluetooth wireless communication technology is implemented. There is no longer a limitation due to different manufacturers, which improves the compatibility between Bluetooth products, and greatly expands the application of control schemes based on Bluetooth wireless communication technology.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the drawings are directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Claims

A control method based on Bluetooth communication technology, characterized in that the method comprises:

A. The controlled device establishes a Bluetooth audio signal connection with the control device;

B. The controlled device is connected based on the established Bluetooth audio signal, receives an analog audio signal sent by the control device, and converts the received analog audio signal into a control signal;

C. The controlled device responds to the control signal to perform an operation corresponding to the control signal.
The control method based on the Bluetooth communication technology according to claim 1, wherein the control device is an LED light controller, and the controlled device is an LED light.
The control method of the Bluetooth communication technology according to claim 1, wherein the step B comprises:

B1. The controlled device is connected according to the established Bluetooth audio signal, and receives an analog audio signal sent by the control device.

B2. The controlled device converts the received analog audio signal into a digital audio signal, and generates a corresponding control signal according to the converted digital audio signal.
The control method based on the Bluetooth communication technology according to claim 3, wherein the control device is an LED light controller, and the controlled device is an LED light.
The control method of the Bluetooth communication technology according to claim 3, wherein the step B2 comprises:

B21. The controlled device converts the received analog audio signal into a digital audio signal.

B22. The controlled device determines a control signal corresponding to the received analog audio signal according to the mapping relationship between the pre-stored analog audio signal and the control signal, and according to the converted digital audio signal.
The control method based on the Bluetooth communication technology according to claim 5, wherein the control device is an LED light controller, and the controlled device is an LED light.
The control method of the Bluetooth communication technology according to claim 1, wherein before the step A, the method further comprises:

D. Determine whether the controlled device can establish a Bluetooth data communication connection with the control device.
The control method based on the Bluetooth communication technology according to claim 7, wherein the control device is an LED light controller, and the controlled device is an LED light.
The control method of the Bluetooth communication technology according to claim 7, wherein after the step D, the method further comprises:

E. When the controlled device can establish a Bluetooth data communication connection with the control device, the controlled device receives a digital control signal sent by the control device, and responds to the digital control signal to perform an operation corresponding to the digital control signal.
The control method based on the Bluetooth communication technology according to claim 9, wherein the control device is an LED light controller, and the controlled device is an LED light.
A controlled device suitable for the method of claim 1 is characterized in that the controlled device comprises a Bluetooth audio module, a processing module and an execution module, which are electrically connected in sequence, wherein:

The Bluetooth audio module is configured to establish a Bluetooth audio signal connection with the control device, and receive an analog audio signal sent by the control device;

The processing module is configured to convert the received analog audio signal into a control signal;

The execution module is configured to respond to the control signal to perform an operation corresponding to the control signal.
The controlled device according to claim 11, wherein the controlled device is an LED lamp.
The controlled device according to claim 11, wherein the processing module comprises a demodulation circuit and a processor electrically connected to the demodulation circuit;

The demodulation circuit is configured to convert the received analog audio signal into a digital audio signal;

The processor is configured to identify a control signal from a digital audio signal.
The controlled device according to claim 13, wherein the controlled device is an LED lamp.
A control device suitable for the method of claim 1, wherein the control device comprises: a signal generating module and a Bluetooth audio module, wherein the signal generating module is electrically connected to the Bluetooth audio module,

The signal generating module is configured to generate an analog audio signal in a preset format;

The Bluetooth audio module is configured to establish a Bluetooth audio signal connection with the controlled device, and send the analog audio signal generated by the signal generating module to the controlled device based on the established Bluetooth audio signal connection.
The control device according to claim 15, wherein said control device is an LED lamp controller.